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p{font-size:.81rem;color:#657c72}.empty-state{background:white;border:1px dashed #dbe4e9;border-radius:12px;padding:60px 25px;text-align:center}.empty-state h2,.empty-state h3{font-size:1.18rem;margin-bottom:14px}.empty-state p{font-size:.85rem;color:#8a97a9}.empty-symbol{font-size:2.3rem;color:#adc0cb;margin-bottom:17px}.site-table .empty-state{border:0}.success-symbol{width:62px;height:62px;margin:0 auto 25px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e5f4ed;color:var(--primary);font-size:1.9rem}.csv-example{background:#f5f8fa;border:1px solid var(--line);padding:17px 20px;border-radius:8px;margin-bottom:23px}.csv-example 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@media(max-width:991px){.navbar-collapse{padding-top:18px}.navbar-nav .nav-link{padding:.65rem 0!important}.nav-account{padding-top:13px;padding-bottom:5px;border-top:1px solid var(--line);margin-top:8px}.hero-section{padding:48px 0}.hero-section h1{font-size:2.7rem}.sticky-card,.reading-sidebar{position:static}.reading-sidebar nav{display:flex;gap:6px;overflow-x:auto;margin-top:10px}.reading-chapter{min-width:180px;margin:0;flex-shrink:0}.reading-chapter span{max-width:220px}.reading-sidebar .reading-course-title{font-size:.9rem}.account-sidebar{display:flex;flex-wrap:wrap;gap:4px}.account-sidebar a{font-size:.76rem;padding:10px 13px}.account-sidebar a span{display:none}.sidebar-label{width:100%}.management-sidebar{padding:10px}.detail-cover{height:250px}.surface-card{padding:25px}.reading-content{padding:28px}.stat-card{padding:20px}.container{padding-left:20px;padding-right:20px}}
@media(max-width:575px){.site-nav{min-height:69px;padding:.8rem 0}.navbar-brand{font-size:1rem}.brand-icon{width:32px;height:32px;font-size:16px}.hero-section{padding:38px 0}.hero-section h1{font-size:2.25rem}.hero-description{font-size:.88rem;margin-bottom:23px}.hero-meta{gap:12px;font-size:.63rem;margin-top:23px}.hero-meta span:last-child{display:none}.eyebrow{font-size:.65rem}.btn-lg{padding:.75rem 1.2rem;font-size:.86rem}.catalog-section{padding-top:30px;padding-bottom:40px}.section-heading{align-items:flex-start;flex-direction:column;gap:17px}.section-heading h2{font-size:1.3rem}.search-form{width:100%}.category-filters{gap:7px;margin-bottom:20px}.filter-chip{font-size:.7rem;padding:7px 12px}.course-cover{height:190px}.course-card-body{padding:20px}.course-summary{min-height:0}.page-container{padding-top:28px;padding-bottom:40px}.page-heading h1{font-size:1.6rem}.page-heading p{font-size:.78rem}.page-heading{margin-bottom:22px}.surface-card{padding:20px}.reading-content{padding:22px}.reading-header h1{font-size:1.45rem}.course-intro h1{font-size:1.6rem}.intro-summary{font-size:.84rem}.course-facts{font-size:.63rem;gap:12px}.course-facts span+span:before{margin-right:12px}.chapter-list li{gap:10px}.chapter-item-content{gap:7px}.chapter-item-content>a{font-size:.78rem}.chapter-number{font-size:.74rem;padding:6px 7px}.section-title{font-size:1rem}.auth-container{padding:30px 20px 40px}.auth-card{padding:27px 23px}.auth-card h1{font-size:1.35rem}.auth-card>p{font-size:.78rem}.form-label{font-size:.81rem}.profile-heading{gap:10px;flex-wrap:wrap}.profile-heading h2{font-size:1rem}.profile-meta{font-size:.69rem}.detail-list{grid-template-columns:105px 1fr;font-size:.76rem;gap:14px 8px}.order-course-title{font-size:1.08rem}.attachment-item{gap:10px;flex-wrap:wrap;padding:13px}.attachment-actions{width:100%;padding-left:53px}.attachment-preview iframe{height:400px}.compact{flex-direction:row;align-items:center}.site-table td{padding:15px 12px}.site-table thead th{padding:13px 12px}.stat-card{padding:17px 15px}.stat-card strong{font-size:1.7rem}.stat-card>small{font-size:.59rem}.revenue-stat strong{font-size:1.45rem}.prose{font-size:.86rem}.site-footer{font-size:.71rem;padding:22px 0}.empty-state{padding:40px 18px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.search-form input[type=search]{border:0!important;background:transparent!important;box-shadow:none!important;padding:9px 12px!important}

/* 推荐课程、章节和独立小节 */
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@media(max-width:991px){.reading-sidebar .reading-outline{display:block;max-height:300px;overflow-y:auto}.reading-outline-group{display:block}.reading-outline .reading-chapter{min-width:0;margin:0}.reading-lessons{display:flex;flex-wrap:wrap;gap:5px}.reading-lesson{max-width:100%;font-size:.75rem}.featured-course-single .course-card-body{padding:24px}.featured-course-single h3{font-size:1.3rem}}
@media(max-width:575px){.featured-section{padding-top:30px}.featured-course-single .course-card{display:flex}.featured-course-single .course-cover{height:205px;min-height:0}.featured-course-single .course-card-body{padding:22px}.featured-course-single h3{font-size:1.15rem}.featured-course-single .course-summary{font-size:.81rem}.course-card-meta{font-size:.64rem}.chapter-outline-heading{gap:10px}.lesson-outline{padding-left:38px}.lesson-outline a{font-size:.74rem;gap:6px}.chapter-list .lesson-outline li{align-items:flex-start}.reading-sidebar .reading-outline{max-height:245px}.reading-lessons{display:block}.reading-lesson{font-size:.72rem}.lesson-entry-list a{gap:9px;padding:13px}.lesson-entry-title{font-size:.79rem}.lesson-entry-tag{font-size:.59rem}.lesson-entry-number{font-size:.67rem;padding:6px 7px}.lesson-navigation{gap:10px}.lesson-navigation-link{padding:15px}.lesson-navigation-link strong{font-size:.75rem}.lesson-navigation-link small{font-size:.63rem}}

.cover-title,.detail-cover-placeholder strong,.course-intro h1,.reading-header h1,.reading-course-title,.chapter-item-content>a{overflow-wrap:anywhere}.chapter-item-content{min-width:0}.chapter-item-content>a{max-width:100%}
/* 推荐位完整呈现商品封面，保留封面内的标题文字。 */
.featured-course-single .course-cover { background: #112c45; }
.featured-course-single .course-cover img { object-fit: contain !important; }